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Published on: December 2, 2015
Below Average Cognitive Ability-An under Researched Risk Factor for Emotional-Behavioural Difficulties in Childhood
Andrea K Bowe1, Anthony Staines2, Deirdre M Murray1,3
1INFANT Research Centre, Department of Paediatrics, University College Cork, T12 K8AF Cork, Ireland.
Insights
Children with below average cognitive ability face a higher risk of emotional-behavioral difficulties (EBDs). Early identification and intervention are crucial for supporting cognitive and adaptive outcomes in these children.
Area of Science:
- Developmental Psychology
- Child Psychiatry
- Public Health
Background:
- Children with below-average cognitive ability often face increasing challenges with age.
- This population remains under-researched despite potential difficulties in cognitive and social development.
Purpose of the Study:
- To examine the longitudinal relationship between early cognitive ability and emotional-behavioral difficulties (EBDs) in children.
- To identify the risk of EBDs in children with below-average cognitive ability from age three to nine.
Main Methods:
- Observational study using data from the 'Growing Up in Ireland' cohort.
- Cognitive ability assessed at age three; EBDs measured at ages three, five, and nine using the Strengths and Difficulties Questionnaire (SDQ).
- Statistical analyses included generalized linear mixed models and logistic regression.
Main Results:
- Below-average cognitive ability was a significant independent predictor of higher longitudinal SDQ scores.
- Children with below-average cognitive ability were 1.39 times more likely to experience clinically significant EBDs between ages three and nine.
- A significant association was found between lower cognitive ability and increased emotional-behavioral difficulties.
Conclusions:
- Children with below-average cognitive ability are at an increased risk for developing emotional-behavioral difficulties.
- Early identification of at-risk children is a public health priority to enable timely interventions.
- Interventions should aim to improve both cognitive and adaptive outcomes for these children.
Abstract:
Children with below average cognitive ability represent a substantial yet under-researched population for whom cognitive and social demands, which increase in complexity year by year, may pose significant challenges. This observational study examines the longitudinal relationship between early cognitive ability and emotional-behavioral difficulties (EBDs) between the age of three and nine. Participants include 7134 children from the population-based cohort study growing up in Ireland. Cognitive ability was measured at age three using the Picture Similarities Scale. A t-score one to two standard deviations below the mean was defined as below average cognitive ability (n = 767). EBDs were measured using the Strengths and Difficulties Questionnaire (SDQ) at three, five, and nine years of age. Generalized linear mixed models and logistic regression were used to examine the relationship. Below average cognitive ability was an independent predictor of higher longitudinal SDQ scores. After adjustment, children with below average cognitive ability were 1.39 times more likely (AOR 1.39, 95% CI 1.17-1.66, p < 0.001) to experience a clinically significant EBD between the ages of three to nine years. This study demonstrates the increased risk of EBDs for children with below average cognitive ability. A scalable method of early identification of at-risk children should be a research priority for public health, enabling early intervention for cognitive and adaptive outcomes.
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